<?php
/**
 * Created by PhpStorm.
 * User: Administrator
 * Date: 2021/11/30
 * Time: 10:45
 */
namespace  animal;
include 'bird.php';
require 'chicken.php';
$bird1=new bird();
echo '<br/>';
$bird1->fly();
echo '<br/>';
$bird1->say('10');
$chicken1=new chicken('黄焖鸡','鸡');
$chicken1->fly();